dridex | 31f4a44310e5a8846d39a523ce911c58b711de7e276bc78eb6b48e90c3f7f5f9

Analysis

max time kernel
60s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 19:59

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General

Target

JaffaCakes118_31f4a44310e5a8846d39a523ce911c58b711de7e276bc78eb6b48e90c3f7f5f9.dll
Size

204KB
MD5

5ed4f9a765efc6cea3adb2c1da1a36c2
SHA1

da2e7f220ba2692c9ae7b0da78b222631f5a010d
SHA256

31f4a44310e5a8846d39a523ce911c58b711de7e276bc78eb6b48e90c3f7f5f9
SHA512

7c6978c67c30ab42a84629f524fed587ad35bd8dbfc75423cfd21e79e376c979fa7e8e4cf5ff4d4f82a38ca2e1d5168999cc9574abc7bb3d2f6606651e901a1e
SSDEEP

3072:06FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:0ZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1352-0-0x0000000074F70000-0x0000000074FA5000-memory.dmp	dridex_ldr
behavioral2/memory/1352-3-0x0000000074F70000-0x0000000074FA5000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 1352	1468	rundll32.exe	83
PID 1468 wrote to memory of 1352	1468	rundll32.exe	83
PID 1468 wrote to memory of 1352	1468	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31f4a44310e5a8846d39a523ce911c58b711de7e276bc78eb6b48e90c3f7f5f9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1468
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31f4a44310e5a8846d39a523ce911c58b711de7e276bc78eb6b48e90c3f7f5f9.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1352-0-0x0000000074F70000-0x0000000074FA5000-memory.dmp

Filesize
212KB

Download
memory/1352-2-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/1352-3-0x0000000074F70000-0x0000000074FA5000-memory.dmp

Filesize
212KB

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